SIEMENS
B120 - 20Amp Circuit Breaker
B120 - 20Amp Circuit Breaker
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B120 - 20Amp Circuit Breaker
Keep your circuits protected without any hassle with the Siemens B120. This 1-pole, 20A breaker is built for everyday use in residential, commercial, and light industrial applications. Rated at 120VAC with a 10kA interrupting capacity, it shields your wiring and equipment from overloads and short circuits, giving you peace of mind that your system stays safe and running smoothly.
Its thermal-magnetic trip reacts quickly when you needed but avoids unnecessary trips, so your circuits stay protected without interrupting normal operation.
Key Features and Benefits
- 20A rating for single-phase circuits
- Thermal-magnetic trip for fast overload and short-circuit protection
- 120VAC with 10kA interrupting capacity
- Bolt-on design for secure, panel-ready installation
- Compact size fits standard panels and motor control centers
- Type BL construction for durability
Technical Specifications
- Part Number: B120
- Type: BL – Molded Case Circuit Breaker
- Poles: 1
- Amperage Rating: 20A
- Voltage Rating: 120VAC
- Interrupting Capacity: 10kA
- Mounting: Bolt-on
- Depth: 3 in
- Width: 3 in
- Height: 1 in
- Product Family: General Purpose MCCBs
Material Compliance and Certifications
- UL 489 certified, meeting North American safety and performance standards for reliable circuit protection.
Where It Works Best
Perfect for use in:
- HVAC systems,
- Pumps
- And motor-driven equipment
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Siemens®, I-T-E®, and Murray® are registered trademarks of Siemens AG. Products sold are surplus, used, or refurbished and are NOT supplied by Siemens AG or its affiliates.
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